idiom > to assume the duties of another official on leave
Acting on behalf of demolition
Explanation: Demolition: apart, that purposefully opened the phone communications; line: issued. Generally refers to the head of the absence of the agent in charge of purposefully opened by hand and approval, processing documents. Described as a great power. Examples: Futai the time sick leave, the matter by the Fan Si ~. (Qing Li Baojia "Bureaucrats" Di Jiuhui)